共 15 条
[2]
BOGDANOFF W. M., 1933, LAIT, V13, P677
[3]
DAVIS J. G., 1940, DAIRY INDUST, V5, P212
[4]
GOLDING NS, 1951, 32ND P ANN M W DIV A
[5]
HAMMER BW, 1928, IOWA AGR EXPT STA RE, V106
[6]
HOBBS BETTY CONSTANCE, 1939, JOUR DAIRY RES, V10, P35, DOI 10.1017/S0022029900002697
[7]
MIDDAUGH PR, 1951, THESIS U WISCONSIN M
[8]
Morris C. S., 1945, DAIRY INDUST, V10, P180
[9]
ORLAJENSEN S, 1930, CTR BAKTERIOL PARA 2, V80, P321
[10]
RICE E. B., 1942, JOUR AUSTRALIAN INST AGRIC SCI, V8, P28